vice president joe biden has arrived in japan for the first leg of his tour through asia and this comes right in the middle of rising tensions in the region after china seized a bigger air space over the east china sea last month. both japan and the u.s. have flown planes right through the zone that china is now claiming, but they haven't given beijing the heads-up that it demanded. china has responded by scrambling fighter jets in the region. the vice president will travel to china during this trip and u.s. officials say he will raise concerns about the air defense zone and push for more dialogue to ease the tensions. >>> coming up on "the lead," they went from rivals to besties but if hillary clinton does decide to run in 2016, will her friendship with the president be over? i don't just make things for a living i take pride in them. so when my moderate to severe chronic plaque psoriasis was also on display, i'd had it. i finally had a serious talk with my dermatologist. this time, he prescribed humira-adalimumab. humira helps to clear the surface of my skin by actually working inside